Michalke, M. (2015). rk.CohenKappa: RKWard GUI to calculate Cohen's Kappa (Version 0.01-8). Available from https://rkward.kde.org
			@Manual{,
					title = {rk.CohenKappa: RKWard GUI to calculate Cohen's Kappa},
					author = {Meik Michalke},
					year = {2015},
					note = {(Version 0.01-8)},
					url = {https://rkward.kde.org},
				}